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 Surface Location
 API# 05-123-21184
Well Classification: OW Status: PA - 6/16/2025
Well Name/No:NHF #42-21
(Click Well Name for Production Data)
Click Here for Transporter Gatherer Info
Operator:PDC ENERGY INC - 69175
(Click Operator Name for Company Detail Report)
Federal Or State Lease #:
Facility Status:PAStatus Date6/16/2025
FacilityID:265147LocationID:331723
County:WELD #123Location:SENE 21 5N63W 6
Field:WATTENBERG - #90750Elevation:4630 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:1976FNL  674 FELLat/Long: 40.386860 / -104.433560Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.386860 / -104.433560Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: AB - 6/16/2025             Measured TD: 7227 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        AB - 6/16/2025
Wellbore PermitDRIFTED
Permit #: Expiration Date:1/16/2014
Proposed Depth/Form:7227 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: CODL , Formation: CODELL , Order: , Unit Acreage: 320, Drill Unit: E/2
Formation And Spacing:Code: DKJNC , Formation: DAKOTA-J-NIOBRARA-CODELL , Order: 318A , Unit Acreage: 320, Drill Unit: E/2
Formation And Spacing:Code: GRNHN , Formation: GREENHORN , Order: , Unit Acreage: 320, Drill Unit: E/2
Formation And Spacing:Code: GRRS , Formation: GRANEROS , Order: , Unit Acreage: 320, Drill Unit: E/2
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: 320, Drill Unit: E/2
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 404 ft., Weight: 24 , Citings Type: PLANNED
Cement:Sacks: 205, Top: 0 ft., Bottom: 404 ft.
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 7214 ft., Weight: 10.5 , Citings Type: PLANNED
Cement:Sacks: 430, Top: 2777 ft., Bottom: 7214 ft.

Wellbore Completed
Completion Date:N/A
Spud Date:1/31/2003Spud Date Is:ACTUAL
Measured TD:7227 ft.Measured PB depth:7185 ft.
True Vertical TD:True Vertical PB depth:
Log Types:GR, IND, DENSITY, NEUTRON, CBL
Log Types:CBL
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 404 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 205, Top: 0 ft., Bottom: 404 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 7214 ft., Weight: 10.5 , Citings Type: ACTUAL
Cement:Sacks: 200, Top: 5990 ft., Bottom: 7214 ft., Determination Method: CBL
Casing:String Type: S.C. 1.1, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 3710 ft., Weight: 10.5 , Citings Type: ACTUAL
Cement:Sacks: 230, Top: 2549 ft., Bottom: 3710 ft., Determination Method: CBL
Casing:String Type: S.C. 1.2, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 2549 ft., Weight: 10.5 , Citings Type: ACTUAL
Cement:Sacks: 300, Top: 0 ft., Bottom: 2552 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
GREELEY SAND2058 ft.NN
PARKMAN3418 ft.NN
SUSSEX3957 ft.NN
SHANNON4310 ft.NN
NIOBRARA6324 ft.NN
FORT HAYS6534 ft.NN
CODELL6582 ft.NN
CARLILE6600 ft.NN
GREENHORN6633 ft.NN
J SAND7027 ft.NN

Formation JSND                     Formation Classification:  OW                     Status:  AB - 4/4/2012                  Interval Top: 7028 ft.    Interval Bottom: 7074 ft.

 Completed Information for Formation J SAND
1st Production Date:N/AChoke Size: 
Formation Name:J SANDCommingled:
Production Method:
Open Hole Completion:
Formation Treatment
Treatment Date:2/18/2003
Treatment Summary:SEE SCANNED DOC# 1197281
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:N/ATest Method:
Hours Tested:Gas Type:
Gas Disposal:
Test TypeMeasure
BBLS_H2O 18
CALC_BBLS_H2O 18
CALC_MCF_GAS 215
CASING_PRESS 550
MCF_GAS 215
TUBING_PRESS 350
Perforation Data:
Interval Top:7028 ft.# Of Holes:42
Interval Bottom:7074 ft.Hole Size:

Formation CODL                     Formation Classification:  OW                     Status:  CM - 5/3/2012                  Interval Top: 6584 ft.    Interval Bottom: 6592 ft.

 Completed Information for Formation CODELL
1st Production Date:N/AChoke Size: 
Formation Name:CODELLCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:2/22/2012
Treatment Summary:Perf Codell, Frac'd Codell w/ 119 bbl Active pad, 476 bbl slickwater pad, 143 bbls 26# pHaser pad, 2000 bbls 26# pHaser fluid system, 217620# 20/40 Preferd Rock, 8000# 20/40 SB Excel.
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
No Initial Test Data was found for formation CODL.
Perforation Data:
Interval Top:6584 ft.# Of Holes:24
Interval Bottom:6592 ft.Hole Size:0.40625 in.

Formation NB-CD                   Formation Classification:  OW                   Status:  AB - 6/16/2025                 Interval Top: 6340 ft.    Interval Bottom: 6592 ft.

 Completed Information for Formation NIOBRARA-CODELL
1st Production Date:3/1/2012Choke Size: 
Formation Name:NIOBRARA-CODELLCommingled:
Production Method:
Open Hole Completion:
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:3/28/2012Test Method:Flowing
Hours Tested:24Gas Type:SHALE
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 11
BBLS_OIL 26
BTU_GAS 1296
CALC_BBLS_H2O 11
CALC_BBLS_OIL 26
CALC_GOR 1320
CALC_MCF_GAS 33
CASING_PRESS 339
GRAVITY_OIL 46
MCF_GAS 333
Perforation Data:
Interval Top:6340 ft.# Of Holes:52
Interval Bottom:6592 ft.Hole Size:

Formation NBRR                     Formation Classification:  OW                     Status:  CM - 5/3/2012                  Interval Top: 6340 ft.    Interval Bottom: 6423 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:N/AChoke Size: 
Formation Name:NIOBRARACommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:2/22/2012
Treatment Summary:Perf'd Niobrara "A" 6340-6342' (4 holes), Niobrara "B" 6415-6423' (24 holes) Frac'd Niobrara with 119 bbl Active pad, 1251 bbls of Slickwater pad, 143 bbls of pHaser 20# pad, 2241 bbls 20# pHaser fluid system and 238440# of 20/42 Preferred Rock, 12000 # 20/40 SB Excel.
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
No Initial Test Data was found for formation NBRR.
Perforation Data:
Interval Top:6340 ft.# Of Holes:28
Interval Bottom:6423 ft.Hole Size:0.421875 in.
Primary Well Designation:
None      i
            All DesignationsDate
Reported PluggedY06/16/2025
Out Of Service RepurposedN 
Out Of ServiceYPlugging Due Date
12/31/2029
Inactive ExceptionN 
Noticed InactiveN 
Defined InactiveN 
Low ProducingN 

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
December 2024 - November 2025i
Total Oil Produced (Barrels)0
Total Gas Produced (MCF)0
GOR
GOR Determination 
Average BOE per Day0.000
Average MCFE per Day0.000

 Federal Financial Assurance  i 

 Tribal Well  i No